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Finding the Fourth Proportional to 166,890.51, 250,359.63 and 51,494.81

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Solution

The fourth proportional to 166,890.51, 250,359.63 and 51,494.81 is: 77,249.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,890.51 : 250,359.63 = 51,494.81 : x
  2. Step 2: Convert to fraction form
    166,890.51/250,359.63 = 51,494.81/x
  3. Step 3: Cross multiply
    166,890.51x = 250,359.63 × 51,494.81
  4. Step 4: Simplify right side
    166,890.51x = 12,892,220,133.62
  5. Step 5: Solve for x
    x = 12,892,220,133.62/166,890.51
  6. Step 6: Final answer
    x = 77,249.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.